Industrial metal pipeline sealing performance detection device

The invention relates to the technical field of pipeline sealing detection, and discloses an industrial metal pipeline sealing performance detection device which comprises a bottom plate, support sets are symmetrically arranged on the bottom plate, the top of each support set is fixedly connected with an air cylinder, an air cylinder push rod is arranged on each air cylinder, the end of each air cylinder push rod is fixedly connected with a connecting disc, and a sealing plug is fixedly connected to each connecting disc. Wherein one sealing plug is connected with a high-pressure air inlet pipe in a penetrating mode, an annular groove is formed in the sealing plug, the annular groove communicates with the high-pressure air inlet pipe, a supporting assembly is arranged on the bottom plate, a metal pipeline is arranged on the supporting assembly, and the two sealing plugs are connected to the two sides of the metal pipeline in an inserted mode correspondingly. And whether the sealing detection of the metal pipel